Laura
Here is a listing of all QLD schools, and how well each school did for its year 12 students last year, with their OP results.
http://www.thecouriermail.news.com.a...schoolsop.html
Be careful how you read those figures though.
and here is a link to explain OP's in detail:
http://www.qsa.qld.edu.au/te/faqs/opfp-list.html
Hope it helps a bit. My daughter has 7 years to go before she reaches your age, so I can't give to much direct info yet :)
In regard to "
a general idea what teenagers my age out there are like". Most of them in my area seem pretty pleasant. Hope it stays that way, for when my daughter gets to that level :D